136553420 has 12 divisors (see below), whose sum is σ = 286762224. Its totient is φ = 54621360.

The previous prime is 136553407. The next prime is 136553447. The reversal of 136553420 is 24355631.

136553420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413816 + ... + 3413855.

It is an arithmetic number, because the mean of its divisors is an integer number (23896852).

Almost surely, 2^136553420 is an apocalyptic number.

136553420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136553420 is an abundant number, since it is smaller than the sum of its proper divisors (150208804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136553420 is a wasteful number, since it uses less digits than its factorization.

136553420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827680 (or 6827678 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 136553420 is about 11685.6073868670. The cubic root of 136553420 is about 514.9529224569.

The spelling of 136553420 in words is "one hundred thirty-six million, five hundred fifty-three thousand, four hundred twenty".